Digital Assistants
Cirrus Logic offers a comprehensive portfolio of ultra low power smart codecs, high-performance SoundClear® algorithms to enhance voice interaction with digital assistants. Multi-mic voice capture suppresses noise and reverberation that degrade digital assistants accuracy and high performance AECs enable the user to reliably barge-in during loud playback.
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Highlighted components are offered by Cirrus Logic.
System Features
Multi-Mic Voice Capture
Noise reduction and echo cancellation regardless of the surrounding environment.
Barge In Capabilities
Hands-free control even when your device is playing multi-channel audio.
Hi-Fi Playback
Integrated multichannel 24-bit hi-fi audio hub enable our smart codecs to deliver high quality audio for any application.
Recommended
Smart Codecs
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CS47L24
Ultra Compact, Low Power Smart Codec with Dual Core DSP
SoundClear compatible -
CS47L35
Smart Codec with Low Power Audio DSP
SoundClear compatible -
CS47L90
Low Power, Highly Integrated Audio Codec Featuring SmartHIFI for Mobile Playback
SoundClear compatible -
WM8281
Low Power Smart Codec with Echo Cancellation
SoundClear compatible
Voice Processor
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CS48L32
Low Power DSP with Microphone Interface and “Always on Voice” for Portable Audio Applications
SoundClear compatible
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Highlighted components are offered by Cirrus Logic.
System Features
- Increases accuracy and reliability of “Alexa” wake-word triggering and command recognition, at 6+ meters far-field distances and in noisy environments
- Supports 6+ meters far-field operation with 2, 3, or 4 microphones
- Flexible Technology supports arbitrary mic array geometries, including circular, square, triangular, linear or 3-D
- AEC is scalable to mono, stereo, 3-channel, and 5-channel (surround movie or music) use cases
- Includes local high accuracy large model Amazon voice trigger or Sensory voice trigger
- Supports far-field voice call mode and in-call voice triggering
- Suitable for wall-powered devices or portable battery-operated products with low mW consumption
- 6 mics built-in, ready to be configured for testing circular, square, triangular, and line arrays in 4-mic, 3-mic or 2-mic designs
- AVS compliant LED indicators and mic-mute button
- Connectivity includes Wi-Fi 802.11, Bluetooth 4.1, stereo line out, USB device port, as well as a USB host port for connection to external USB soundcard
- Also includes expansion bus for connecting GPIOs, ASPs, SPI, I2C, and PDM mics
- Web-based firmware control console for simplified interactive operation, mic array selection, acoustic tuning and diagnostics
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Recommended
Technical Documentation
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EveryWord Far-Field AVS Development Kit Technology Bulletin
Jun 1, 2020, Rev 1.0 : 779 Kb